{
"id": "GHSA-xvg2-cgv6-6h7v",
"aliases": [],
"details": "### Summary\n`0.0.0.0` was used instead of NXDOMAIN for block responses. On Linux, which is the target platform for netfoil, the `0.0.0.0` is sent to localhost rather than just dropped.\n\n### Impact\nUnintended traffic could be sent to localhost. Impact depends on running services and firewall rules.",
"summary": "netfoil: Incorrect block responses could lead to localhost traffic",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.4.0"
}
]
}
],
"package": {
"name": "github.com/tinfoil-factory/netfoil",
"ecosystem": "Go"
}
}
],
"modified": "2026-07-29T17:03:48Z",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
}
],
"published": "2026-07-29T17:03:48Z",
"references": [
{
"url": "https://github.com/tinfoil-factory/netfoil/security/advisories/GHSA-xvg2-cgv6-6h7v",
"type": "WEB"
},
{
"url": "https://github.com/tinfoil-factory/netfoil/pull/33",
"type": "WEB"
},
{
"url": "https://github.com/tinfoil-factory/netfoil/commit/891d3513c77999a9deef9f23506807d9653ee448",
"type": "WEB"
},
{
"url": "https://github.com/tinfoil-factory/netfoil",
"type": "PACKAGE"
},
{
"url": "https://github.com/tinfoil-factory/netfoil/releases/tag/v0.4.0",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-693"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2026-07-29T17:03:48Z"
}
}